-a tendency of suddenly joining into conversations without anyone letting him/her to
-snooping in other peoples' business
-talking for hours on end
-talking about random things
-tapping people on the shoulder excessively
-following you around because he/she things you're his/her "friend"
-being a loser-very likely to be bullied a lot.
-excessive bragging for a few hours (or days) after enjoying a little achievement or victory, such as beating someone in an arm wrestle.
-constantly does somethingnasty and irritating, such as picking their nose or farting.
-is immature and says and does extreme things in public, like yelling out curse words or pulling a random person's pants down.
-thinks he/she can beat you in every aspect of life but sucks and gets laughed at. However, they still continue to think they're better.
-will lie and go to great lengths just to be proven right.

When an annoying person finally finds out that he/she is being ignored or not liked, he/she will go into a fit of anger and blames everyone for nothing.

Pissed off guy: "Edwin, shut up, no one even likes you, and no one is listening to you talk about Pokemon. You're annoying!"

Edwin: "No. YOU Shut up, YOU'RE the annoying one, my Charizard willbeat you up any day!"

The Urban Dictionary Mug

someone who does something REALLY stupid excessively and even when noticing that the entire student body is pissed off whenever said person opens their mouth because they know something shamefully retarded is going to follow, the annoying person continues like everyone is their best friend. also mummbling and constant inward laughter are symptoms.

The Urban Dictionary Mug

1) When People Capitalize Every Word In A Sentence.
2) Wen pepel mispell evry wurd inn uh sentance
3) Whn PpL typ LIK dYs
4) WHEN PEOPLETURN ON ALL CAPS
5) When people say "Oh my God." They are disrespecting God. Let me rant on a little bit here...
6) When people get into a huge religious debate when someone says "Oh my God."
7) When people contradict themselves.
8) When people unknowingly make themselves look stupid.
9) When people say something's annoying when it's actually funny.
10) When people contradict themselves.
11) When people repeat themselves.
12) When people use memes like Candlejack to be funny. It's not funny it's just unorigina
13) When people keep typing after using a meme that interrupts a sentence.
14) When people have a "heart attaHNNNNNNNNNNGH
15) When people keep typing after using a meme that interrupts a sentence.
16) When people repeat themselves.
17) When people repeat themselves more than once.
19) When people skip a number.
18) When people put that number after the number that's usually after it.
20) A bunch of other sh!t.
21) When people substitute '!' for 'i' when swearing.
22) When people contradict themselves.
23) When people repeat the- Oh, you get it.

"It's annoying when, after Urban Dictionary publishes your definition, you look at the listing and notice that they listed a bunch of entrees ahead of yours that have more negative votes then positive votes, but they send the notification email from a no-reply email address, and when you write back to ask about this, you get an auto-reply message telling you that the address is not read by a human being."